From owner-freebsd-stable@freebsd.org Sun Aug 2 18:14:23 2020 Return-Path: Delivered-To: freebsd-stable@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 42E7B3A4488 for ; Sun, 2 Aug 2020 18:14:23 +0000 (UTC) (envelope-from mike@sentex.net) Received: from pyroxene2a.sentex.ca (pyroxene19.sentex.ca [IPv6:2607:f3e0:0:3::19]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "pyroxene.sentex.ca", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BKTgL0QMKz3WQJ for ; Sun, 2 Aug 2020 18:14:22 +0000 (UTC) (envelope-from mike@sentex.net) Received: from [IPv6:2607:f3e0:0:4:edad:f7a5:29e0:ea5a] ([IPv6:2607:f3e0:0:4:edad:f7a5:29e0:ea5a]) by pyroxene2a.sentex.ca (8.15.2/8.15.2) with ESMTPS id 072IELeH038297 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO) for ; Sun, 2 Aug 2020 14:14:21 -0400 (EDT) (envelope-from mike@sentex.net) Subject: Re: golang issues on releng12 ? From: mike tancsa To: FreeBSD-STABLE Mailing List References: <785e1b68-babf-f4df-3c03-9bd267f6514b@sentex.net> Autocrypt: addr=mike@sentex.net; keydata= mQENBFywzOMBCACoNFpwi5MeyEREiCeHtbm6pZJI/HnO+wXdCAWtZkS49weOoVyUj5BEXRZP xflV2ib2hflX4nXqhenaNiia4iaZ9ft3I1ebd7GEbGnsWCvAnob5MvDZyStDAuRxPJK1ya/s +6rOvr+eQiXYNVvfBhrCfrtR/esSkitBGxhUkBjOti8QwzD71JVF5YaOjBAs7jZUKyLGj0kW yDg4jUndudWU7G2yc9GwpHJ9aRSUN8e/mWdIogK0v+QBHfv/dsI6zVB7YuxCC9Fx8WPwfhDH VZC4kdYCQWKXrm7yb4TiVdBh5kgvlO9q3js1yYdfR1x8mjK2bH2RSv4bV3zkNmsDCIxjABEB AAG0HW1pa2UgdGFuY3NhIDxtaWtlQHNlbnRleC5uZXQ+iQFUBBMBCAA+FiEEmuvCXT0aY6hs 4SbWeVOEFl5WrMgFAlywzOYCGwMFCQHhM4AFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQ eVOEFl5WrMhnPAf7Bf+ola0V9t4i8rwCMGvzkssGaxY/5zNSZO9BgSgfN0WzgmBEOy/3R4km Yn5KH94NltJYAAE5hqkFmAwK6psOqAR9cxHrRfU+gV2KO8pCDc6K/htkQcd/mclJYpCHp6Eq EVJOiAxcNaYuHZkeMdXDuvvI5Rk82VHk84BGgxIqIrhLlkguoPbXOOa+8c/Mpb1sRAGZEOuX EzKNC49+GS9gKW6ISbanyPsGEcFyP7GKMzcHBPf3cPrewZQZ6gBoNscasL6IJeAQDqzQAxbU GjO0qBSMRgnLXK7+DJlxrYdHGXqNbV6AYsmHJ6c2WWWiuRviFBqXinlgJ2FnYebZPAfWiQ== Message-ID: <3416312e-2786-3168-7b04-c9a1adbbefee@sentex.net> Date: Sun, 2 Aug 2020 14:14:21 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <785e1b68-babf-f4df-3c03-9bd267f6514b@sentex.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US X-Rspamd-Queue-Id: 4BKTgL0QMKz3WQJ X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of mike@sentex.net designates 2607:f3e0:0:3::19 as permitted sender) smtp.mailfrom=mike@sentex.net X-Spamd-Result: default: False [0.16 / 15.00]; SUBJECT_ENDS_QUESTION(1.00)[]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f3e0::/32]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-stable@freebsd.org]; HFILTER_HELO_IP_A(1.00)[pyroxene2a.sentex.ca]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-0.95)[-0.949]; HFILTER_HELO_NORES_A_OR_MX(0.30)[pyroxene2a.sentex.ca]; TO_DN_ALL(0.00)[]; NEURAL_HAM_SHORT(-0.00)[-0.003]; DMARC_NA(0.00)[sentex.net]; NEURAL_HAM_MEDIUM(-0.88)[-0.883]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; ASN(0.00)[asn:11647, ipnet:2607:f3e0::/32, country:CA]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Aug 2020 18:14:23 -0000 Still trying the track this issue down to get a better handle on it. The developer of the app I use (zrepl) strongly thinks the race and crashes are in the golang runtime. Re-posting this in case anyone else is seeing issues with golang on RELENG12 somewhere after June 11th ?     ---Mike On 7/11/2020 11:02 AM, mike tancsa wrote: > Ran into a strange issue, not sure what the cause is.  We make heavy use > of zrepl for zfs backups and version control.  After updating to a > kernel from July 2nd from June 10th, the zrepl daemon (written in > golang) started to hang and get stuck in some uwait state.  Kill -9 was > the only way to stop it. It would run again for a few hrs and then stall > out once more.  It was a slightly older version, so upgraded to the > latest from pkgs. Still the same issue after a few hours of use.  > However, compiling zrepl from the ports works just fine (which meant > compiling golang on the box etc). At least its been running for 24hrs > now without issue.  Is it possible that some of the changes to RELENG12 > from June 10th to July 2nd might have broken some ABI that golang apps > rely on that might account for zrepl hanging ? > >     ---Mike > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >